AUTOMATIC WELDING METHOD FOR PLANE MEMBER

PURPOSE:To increase the operational efficiency of a welding robot by storing into a memory means as well as reading the co-ordinate etc. of each welding point from the scaledowned original picture and by performing the welding based on the stored co-ordinates, welding order and welding torch position. CONSTITUTION:The scaled down original picture of a plane member 1 is affixed on a co-ordinate measuring instrument 21. The co-ordinates of each welding point P1-P6 are read out and stored into a memory means 22 by suing the coordinates measuring instrument 21 from the original picture thereof. In this case, the measuring instrument 21 reads out the welding torch angle as well, also inputs to the memory means 22 from a key board 25 the motion pattern in each position, welding conditions, etc. as well. A reading out means 23 then reads the welding start point, finish point, welding position, etc. from the memory means 22 and performs the welding by driving the welding robot by a driving means 24. Due to the percentage of the actual welding time of the robot being increased the operational efficiency thereof is increased.